Forced feed pump hand oiler



Noya 3, 1931. lc. A. sco'rT FORCED FEEDv PUMP HAND OILER Filed July 18. 1929 2 sheets-sheet 1 Nov. s, 1931. I c. A. scm- 1,830,295

FORGEDy vFEED PUMP HAND OILER Filed July 18. 1929 2 Sheets-Sheet 2 1, 20 may be readily and efliciently discharged.

l' I Q9 Figure 3 is a detail sectionalyiew ofthe Patented 3, A1.931v i Y, K onns'rnn ritfsfiolsfr, or Los ANGELES, cALrroRNIA ron'onn FEEDPUMP HAND oILER Application mea July 1s,

This'inventionrrelates to improvements in` oil icans, and more particularly to a forced Y feed pump rhand oiler, which will positively discharge the oil from .the can regardless of .'j 5. ythe amount of oil therein, until thec'an is ab? l solutely empty.

- An object'of the invention is toprovide an i improved forcedfffeed pumpffv .hand oiler,

' which will be arranged to pump the ,lubricant .f 10 from the can when f I5 sally mounted lubricant inlet nozzle arranged to have its outermost endvmove automatically ytothe lowest portion'in'thereservoir of the t container when the same is held at anyfangle so that `the entire contents of the container A further object of the invention is topro! vide an improved forced feed pump hand .oiler having an auxiliary lubricant reservoir or cylinder anda Vpiston operable therein, to -l f -25 positively vdrawin a supply. of lubricant into the cylinderron one'vv stroke ofy the piston, andv to positively? discharge vthe lubricant storedy piston.,` f t v. i

VA still further object ofthe invention is torv provide r'an improved forced *feed hand -oiler having an auxiliary lubricantreservoir ,or operable.l piston..

cylinder l andKY 'a lmanually therein, arrangedtodischarge the supply of :f 35'l lubricant in the cylinder when theV piston is Y ydepressed within the cylinder, vand resilient means for forcing the` piston to its'uppermost position within 'n supply of lubricantlto thecylinder from the '40 main reservoir-in the oiler. f

, -Other objects tion proceeds. l v p In the accompanying drawings whichconstitute a part of my application, l f

will appearas the descrip- 1.1.45/ i FigureflV isfa Avertical sectional; view f throughv my improved forcedfsfeed pumpv 'r'handoiler; l f

.l igure 2 taken on the held' a'tianyl angle until lthe cylinder to draw in a a' :tube 1l extends llower end of the collar l0, and upwardly a 90 is ap.transversevisectional view# 1929. Serial No. 379,230.

\ or cylinder in the oiler, and

f Figure A is a group perspectivel of the several vportions of the hollow universal link 155 connection. l f Y Like characters vof reference are used throughout the .following specification and the accompanying drawings to designate corresponding parts. '60

`ln carrying out my invention,.I provide a substantially semi-cylindrical lubricant storage reservoir l beingopen at its-top and having a, depending integrally formed threaded collar 2, and closed at its bottom by a bottom ,e5 plate 3 crimpedat its periphery aboutl the flange 4- at the lower periphery of the said reservoir l to lform a tight joint. Theplate .f3 is slightly conical, in that its central point v 1s somewhat elevated above its outer edge t0 ;70

direct the last small amount of lubricant in V`the ,container to thelowermost point where it maybe completely dischargedl from the oiler.L Y' y i Y `A threaded closurecap is adaptedto co- 75 operate with the threaded collar 2,*and to be received within the'same, and is provided 'l 1n the cylinder onthe reverse stroke of the* which thesealing washer7 1s adapted to seat V'and also to seat upon the with an annularly formed depending rim 6, in

upper peripheral, so edgeof the reservoir l to provide a tight jlllt; j v

An auxiliary lubricant cylinder 8 is suitably secured to and jsupported by thefclosure capo and is provided with a bottom 9 having 85 a centrally disposed'depending collar 1U, w'hichf'inv turn supportsthe lower end of the lubricant delivery tube 1l. The delivery a slight distance below the considerabledistance above the uppermost.

vportion of the 'reservoir l, where itsouter end` is .slightl reduced' vand externally threaded at 12.; fthroughfthe tube ll on spaced levels, and are 95 rsepa'rated by'fa tube seal 13,V and will here- U after be'referredfto las intake ports v14a-nd *discharge portsl. f

^ A sleeve valve barrell 16 is slidably mounted about the delivery tube ll, and is provided )im t plurality of ports arey 'formed with a plurality of valve ports 17, which are arranged to register with the dischargeports 15 when the valve sleeve is depressed, and to providea cut-o for said ports 15 when said sleeve is in its raised or uppermost position, as illustrated in Figure 1 of the drawings.

Y Thed'ownward movement of the sleeve valve f Leader-a5 .the hollow, link caps 36, which are pressed into the flanged edges, thereby ormingsealed right and .lethand passagesfor the lubricant from the intake spout to Vtheinnerend of thedischarge'tube. It will thereforeY be 7b seen that a Vitlexible swivel joint will be provided/between `.fthe fswivel f, connection and barrel 16 will belimited by theiendf-f'ofthesaid 'ispout,. wherebyhthe: outer end li'of -the spout barrel engagingY the bottom 9 ofthe cylinder 10 8. A coupling 1,8 is internallythreaded at.. its opposite ends.` and is adapted t'o be screwed" onto the reduced threaded portionlof the` delivery tube 11, and to receive the externally threadedlower end. 19 of the deliverynoZ-.;

,Zle 20ct the oiler. Y

`enel-of the cylinder 8f, and is'rprovi'ded with air central opening through which ydelivery tube 11,?"sleev'e, valve barrel 16,1'and thepiston'actur 1 y 20 at'ing'fplurfiger tube`22 extends," and serves-'also as a dust cap to keep out foreign matter from Yfthe operable partsv ofthe oiler. v

ff' The upper Vend of the plunger 122 isf-,pro- ".vi-dedl with an integrallyv'formedv annular n linger flange 23, which contacts with the lower olea'ch other,and Vapair vrof-metallic snap rings f 40' .freontainer 1.

' `VIV` VIVVwithalined horizontal openings l31. l

iii.'-

-"end'f"of.the couplinglS wheny inraised posif K p tan Vassembly comprises lan'fupperwasher 24and a lower washer 25 spaced from 26 interposed between said washers, 'andsaid ofthe sleeve'valve barrel 16. lA helical coil? i 1""5 'spring '27 is disposed within thecylinder' 8, fl? and'seats on the bottom 9 Yof said cylinder'and vCainst the lower su'rface'ofthe washe"r'25,-kv

' ireflof the drawings. Y 5

*solid ring26 ispressed onto theA lower end'of the collar 100i the cylinder Sand co-lY operateswith the-solid ringQ'?" pressed'intdv 5*'the'upper end ofth'els'w'ivel connecti'onlQS,

'i 5 `which is in the Substantial formera T. The# 'i @upper Y end Vof the swivel YVconnection AQ8:v com-.5A prises the swivel, while f the flowerfend. is' li'rnied with alined horizontal lopenings 29.* Theintalre'spout 30 iszalso Yformed substanout'e'r: end terminating vr'adj acent ythe 4lower.z most portion of the container 1', so thatl all of? thetlubricant from the container maybe "dis-'f1 f' charged. 'The opposite lor ,upper end lof the?" fsreut 30, like the swivel 28.- is Valso provided e'infthe openings 29 and 31 in the-swivels con-f .nection ands'pout, andare adapted tobeheld e yzinffposition lby the4` U -Shape 1 springs f 3321,@ as l clearly illustrated'in YFigure B ofxtheidraw-l'f fings; The :links B2 are `flanged at 135,;atttheir f Jllyin the formof a'T, andhas its smallerl` said rcylinder, saidftube having spacedf'inlet sleeve valve fbarrel, will force .the-same .down .Y :until'the'walvef.barrel closes vthe intakeports --in 'the' L-deliveryi tub eand a'line's .the ports" in the barrel with the::discharge-ports inzthe 90 delivery tube,thereby forcing.' :the lubricant fin the cylinder'Sfoutthrough the deliverytube and from the.endoff-the'delivery nozZle'QO. The coillspring L27 which has Abeen contracted vduring the downwardvmovement ofatliepist'on 95 assembly will thenfexpand: andcausetthenvalve sseinbly being larranged* between the inner z-barrel; =tocever`r the-.delivery portsazinthe dellrof the cylinder 8 and the outerperipheryf "liverylitube, fand' tov fopen; the intaker 'ports in the? deliveryY tube,... thereby lsucking iin a new supply 'of rlubricantthfrouglizthe 4intake spout;- Vcoupling'and-intothe:auxiliarystorage 'cylin .der whereupon vthe same i action *may* be @repeatedv `tas often as 1 desired until they-.lubricanthas been completely :exhaustedironr the 5. Many ,rmino'rrchanges :in detail fof: construction may'fbe' resorted vtoi without departure i from-.the spiritiof. the-invention. 1 Y i -Havingthus described myl inventioni'iwhat I claimg` asfnewfsandfzdesire .tezl secure by. Let-*.2 110 ltersPatentiofStheUnitedfStatesistl, Y

prising Ilubricant@ container; a? threaded closuretherefor, a "cylinder j-'supported`y r.by

said closure, a dispensing ljtube -fc'arriedi lbyl` 115 fanddischarge ports fformedthroughr yitswall, ai slide 'f .sleeve :valve` operablefon said f'tube, ma'nuall-y i operable means-for Voperating said pump on its downward stroke-,f `and: resilient 120 stroke. Y Y 1 Y 2.2 A'fforcedfeed pur-nphand 'oile'ricompris ing a lubricant-=containe11, avfthreadedlclosure therefor; afcylin'derl supported i bygvfs'a'id clo-v lsure, a :dispensing tube carriedbyY saidfcylinder'a slide sleeve valve operablefabouthsaid Jtubegr'fs'aiditube bein'g"prvi 'ded with a plurality of spaced radialsintakeeanddischarge .-foiiterldeeedges and yare.: adaptedtof receiveziports; aifpiston:operablibetweeni935@ Sleeve; 130

1 passageof the lubricant will be formed.

valve andthe inner wall of said cylinder, a' manually operable plunger for depressing said piston yin said. cylinder. and resilient -means for automatically raising said piston j to its uppermost position. f

The combination as set forth in claim 2, and' means for positively limitin the u'pward and downward movement o said pisl ton.

4; A forced feed pump handfoiler comprising a ylubricant container, a threaded closuretherefor, a dispensing tube carried by said cylinder and provided with spaced intake V.and discharge ports, a seal in said tube intermediatesaid ports, a slide sleeve valvefoperable about said tube and provided with a f.

' pluralityjof radially extending ports, a lubricant intake spout swivelly connected with said cylinder, a piston operable in said c linder, and means carried by said piston or frictionally engaging said sleeve valve for A forcing the same down to register'the ports inthe sleeve with the discharge ports in said ,tube on the downstroke of said piston, and

to close ysaid discharge ports and uncover the inlet ports in the tube on the upward strokey l of the piston.

5. A forced feed pump lhand oiler comprising a lubricant container, a closure therefor,

acylinder carried by said closure, a manually operable forced feed pump in said. cylinder, a dispensing tube carried by said cylinder, a slide sleeve valve operable about said tube, a

lubricant intake spout connected with said cylinder adjacent the inner end of said dispensing tube, and a swivel connection between said nozzle and cylinder and forming a divided lubricant passage through said connection.

6. The combination as set forth in claim 5, and a swivel' member securedto the lower end f yof said cylinder, and said link connection comprising a pair of cooperating link members having spaced alined openings and outer caps, whereby a dividedgchannel for the 7.l The combination as set forth in claimf, a swivel member secured to the lower end of the said cylinder, said link connection ycomprising a 'pair of cooperating link members having spaced alined openingsand in-V wardly extending collars ladapted to be received in corresponding vopenings formed respectively inl said swivel member and said spout, cap members for said linkmembers, and Ue-shape springs for holding thefseverall v vportions'of the link connection in assembled position.l v e A 'i n Intestimonywhereof I aiiix my signature.

` CHESTER' A. SCOTT, Y 

